Learn about the outer planet with the smallest orbit among the gas giant planets


Scientists have discovered an exoplanet nicknamed TOI-2109b, with extreme surface temperatures of up to 6000 degrees Fahrenheit, which is rushing around its star in just 16 hours, the shortest orbit of any gas giant known so far, and researchers from the Massachusetts Institute of Technology hope their discovery will help. Unraveling the mystery surrounding hot Jupiter-like exoplanets.

“Since the beginning of exoplanet science, hot Jupiter-like planets have been viewed as exotic balls,” said Avi Shporer, co-author of the study.

He added, “The strangest thing about the recent discovery is the question about how a huge and large planet like Jupiter reached an orbit no more than a few days long,” stressing, “We do not have anything like this in our solar system, and we see this as an opportunity to study it and help explain his existence.”

Researchers discovered TOI-2109b 855 light-years away from EarthUsing NASA’s Transiting Exoplanet Survey Satellite (TESS), due to its extremely narrow orbit and proximity to its star, the planet is estimated to have a daytime temperature of about 3,500 K, or roughly 6000 degrees Fahrenheit, making it the second hottest planet ever discovered.

Also, by analyzing measurements at various optical and infrared wavelengths, the researchers determined that TOI-2109b is five times larger than Jupiter, and is only 1.5 million miles from its star.

The team now hopes to study the planet with more powerful instruments, including the James Webb Space Telescope from NASA, Which is scheduled to be released on December 22nd.


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